# PDF转换器 vs Device Preview Exporter

The clearest difference is in-app purchases: PDF转换器 at none against Device Preview Exporter's 1. PDF转换器 also leads on ads (none vs shown). Device Preview Exporter's advantage is update cadence (every 10 days vs monthly). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Device Preview Exporter sells 1 one-off in-app purchase. PDF转换器 asks for nothing beyond the download.

PDF转换器 ships an update monthly, Device Preview Exporter every 10 days. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | PDF转换器 | Device Preview Exporter |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Monthly | **Every 10 days** |
| Size | 36 MB | 76 MB |
| Requires iOS | 11.0 | 11.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Guangzhou Senlang Trading Co., Ltd.](https://appshunter.io/developer/1630883147) | [博 彭](https://appshunter.io/developer/1293268076) |

## What reviewers say

### PDF转换器

[App page](https://appshunter.io/ios/app/pdf-pdf/id1630883145)

**Features:** macOS Compatibility

**In-app purchases:** none


### Device Preview Exporter

[App page](https://appshunter.io/ios/app/device-preview-exporter/id6467133500)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| UpgradeToPro | $0.99 | one-time |


## Frequently asked questions

### Is PDF转换器 free?

PDF转换器 is free to download, with no in-app purchases.

### Is Device Preview Exporter free?

Device Preview Exporter is free to download, with in-app purchases available.

### Do PDF转换器 or Device Preview Exporter have ads?

Device Preview Exporter shows ads; PDF转换器 does not.

### Which is updated more often, PDF转换器 or Device Preview Exporter?

PDF转换器 ships an update monthly, and Device Preview Exporter every 10 days. Most recently, PDF转换器 was updated on September 30, 2026 and Device Preview Exporter on October 1, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*